microblaze: Clear sticky FSR register after saving it to func parametr

Previous patch d63678d607d0e37ec7abe5ceb545d7e8aab956a4 clear
it for noMMU kernel. This one do it for MMU.

Correct noMMU version
Signed-off-by: NMichal Simek <monstr@monstr.eu>

arch/microblaze/kernel/entry.S

@@ -592,6 +592,8 @@ C_ENTRY(full_exception_trap):
 	nop
 	mfs	r7, rfsr;		/* save FSR */
 	nop
+	mts	rfsr, r0;	/* Clear sticky fsr */
+	nop
 	la	r12, r0, full_exception
 	set_vms;
 	rtbd	r12, 0;

arch/microblaze/kernel/hw_exception_handler.S

@@ -384,7 +384,7 @@ handle_other_ex: /* Handle Other exceptions here */
 	addk	r8, r17, r0; /* Load exception address */
 	bralid	r15, full_exception; /* Branch to the handler */
 	nop;
-	mts	r0, rfsr;	/* Clear sticky fsr */
+	mts	rfsr, r0;	/* Clear sticky fsr */
 	nop
 
 	/*